1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 937598-67-9

Purity 97%+In StockPharmaceutical Standards
CAS No.937598-67-9
Molecular FormulaC17H17N3O2
Molecular Weight295.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 937598-67-9 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid.

1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 937598-67-9) is a high-purity analytical reference standard with the molecular formula C17H17N3O2 and a molecular weight of 295.34 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 295.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 1-Ethyl-3-methyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H17N3O2
Molecular Weight295.34 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms3

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